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Finding the Third Proportional to 787,573 and 1,717,686

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Solution

The third proportional to 787,573 and 1,717,686 is: 3,746,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,573 : 1,717,686 = 1,717,686 : x
  2. Step 2: Convert to fraction form
    787,573/1,717,686 = 1,717,686/x
  3. Step 3: Cross multiply
    787,573x = 1,717,686 × 1,717,686
  4. Step 4: Simplify right side
    787,573x = 2,950,445,194,596
  5. Step 5: Solve for x
    x = 2,950,445,194,596/787,573
  6. Step 6: Final answer
    x = 3,746,249.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.